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首页> 外文会议>Remote sensing for environmental monitoring, GIS applications, and geology IX >UAV SYSTEMS FOR PHOTOGRAMMETRIC RECORDING IN ARCHAELOGICAL AREAS: PROBLEMS SUGGESTIONS AND PRODUCTS
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UAV SYSTEMS FOR PHOTOGRAMMETRIC RECORDING IN ARCHAELOGICAL AREAS: PROBLEMS SUGGESTIONS AND PRODUCTS

机译：无人机在考古地区进行照相记录的系统：问题建议和产品

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Documentation and measurements on archaeological areas are mostly connected with close-range photogrammetry, in order to analyze the detailed structure of the objects. Classical aerial photogrammetric surveys are expensive and limited by the image resolution. An alternative way is represented by the use of Unmanned Aerial Vehicle (UAV) equipped with photogrammetric sensors. The paper deals with the acquisition and processing of low-height aerial imagery acquired by UAVs, in order to provide large-scale mapping in support of archaeological researches. Two remote controlled systems (one mini helicopter and one mini fixed wing plane) were tested on two different archaeological sites in order to provide Digital Surface Models (DSMs) and large-scale maps (numeric maps and orthophotos). The experimental analyses underline the potentialities and the problems of these systems for photogrammetric surveys. In particular, the UAV image acquisition is far from flights performed by manned planes: their dimensions and their little weights never allow to flight the coarse previously set and, as a consequence, their images are often affected by big rotation and little overlaps. In these conditions, traditional matching algorithms don't always succeed in the generation of reliable DSMs. For this reason, a procedure for the DSM generation in these application field is proposed. It will be shown as this procedure allows satisfying the needs of the archaeological survey in the production of Solid True Ortho-Photos (STOP).
机译：考古领域的文件和测量大多与近距离摄影测量法相关，以便分析物体的详细结构。传统的航空摄影测量勘测昂贵且受图像分辨率限制。一种替代方式是使用配备有摄影测量传感器的无人机（UAV）。本文对无人机获取的低空航空影像进行了采集和处理，以提供大规模的制图，以支持考古研究。在两个不同的考古现场测试了两个远程控制系统（一架小型直升机和一架小型固定翼飞机），以提供数字表面模型（DSM）和大规模地图（数字地图和正射照片）。实验分析强调了摄影测量这些系统的潜力和问题。特别是，无人机图像采集远非载人飞机执行的飞行：它们的尺寸和较小的重量不允许其飞行之前设定的粗略值，因此，它们的图像通常受到较大旋转和很少重叠的影响。在这种情况下，传统的匹配算法并不总是能够成功生成可靠的DSM。因此，提出了在这些应用领域中用于DSM生成的过程。它将显示为该程序可以满足生产Solid True Ortho-Photos（STOP）的考古调查需求。

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